Mercurial > hg > nginx
annotate src/http/modules/ngx_http_gzip_filter_module.c @ 2287:baa61933d5ed
use nomem flag to flush busy bufs,
thus gzip filter does not depend on NGX_AGAIN return code
author | Igor Sysoev <igor@sysoev.ru> |
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date | Wed, 05 Nov 2008 15:46:41 +0000 |
parents | 723df5089c05 |
children | c28e47fb834c |
rev | line source |
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441
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
441
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4 */ |
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5 |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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10 |
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11 #include <zlib.h> |
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12 |
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13 |
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14 typedef struct { |
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15 ngx_flag_t enable; |
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16 ngx_flag_t no_buffer; |
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17 |
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18 ngx_hash_t types; |
452 | 19 |
156
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20 ngx_bufs_t bufs; |
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21 |
589 | 22 ngx_int_t level; |
319
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23 size_t wbits; |
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24 size_t memlevel; |
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25 ssize_t min_length; |
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26 |
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27 ngx_array_t *types_keys; |
133
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28 } ngx_http_gzip_conf_t; |
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29 |
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30 |
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31 typedef struct { |
156
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32 ngx_chain_t *in; |
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33 ngx_chain_t *free; |
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34 ngx_chain_t *busy; |
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35 ngx_chain_t *out; |
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36 ngx_chain_t **last_out; |
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37 ngx_buf_t *in_buf; |
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38 ngx_buf_t *out_buf; |
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39 ngx_int_t bufs; |
156
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40 |
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41 off_t length; |
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42 |
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43 void *preallocated; |
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44 char *free_mem; |
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45 ngx_uint_t allocated; |
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46 |
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47 unsigned flush:4; |
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48 unsigned redo:1; |
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49 unsigned done:1; |
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50 unsigned nomem:1; |
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51 |
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52 size_t zin; |
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53 size_t zout; |
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54 |
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55 uint32_t crc32; |
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56 z_stream zstream; |
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57 ngx_http_request_t *request; |
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58 } ngx_http_gzip_ctx_t; |
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59 |
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60 |
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61 static void *ngx_http_gzip_filter_alloc(void *opaque, u_int items, |
497 | 62 u_int size); |
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63 static void ngx_http_gzip_filter_free(void *opaque, void *address); |
479 | 64 static void ngx_http_gzip_error(ngx_http_gzip_ctx_t *ctx); |
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65 |
573 | 66 static ngx_int_t ngx_http_gzip_add_variables(ngx_conf_t *cf); |
67 static ngx_int_t ngx_http_gzip_ratio_variable(ngx_http_request_t *r, | |
68 ngx_http_variable_value_t *v, uintptr_t data); | |
479 | 69 |
681 | 70 static ngx_int_t ngx_http_gzip_filter_init(ngx_conf_t *cf); |
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71 static void *ngx_http_gzip_create_conf(ngx_conf_t *cf); |
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72 static char *ngx_http_gzip_merge_conf(ngx_conf_t *cf, |
497 | 73 void *parent, void *child); |
527 | 74 static char *ngx_http_gzip_window(ngx_conf_t *cf, void *post, void *data); |
75 static char *ngx_http_gzip_hash(ngx_conf_t *cf, void *post, void *data); | |
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76 |
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77 |
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78 static ngx_conf_num_bounds_t ngx_http_gzip_comp_level_bounds = { |
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79 ngx_conf_check_num_bounds, 1, 9 |
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80 }; |
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81 |
527 | 82 static ngx_conf_post_handler_pt ngx_http_gzip_window_p = ngx_http_gzip_window; |
83 static ngx_conf_post_handler_pt ngx_http_gzip_hash_p = ngx_http_gzip_hash; | |
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84 |
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85 |
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86 static ngx_command_t ngx_http_gzip_filter_commands[] = { |
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87 |
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88 { ngx_string("gzip"), |
485 | 89 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
90 |NGX_CONF_FLAG, | |
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91 ngx_conf_set_flag_slot, |
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92 NGX_HTTP_LOC_CONF_OFFSET, |
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93 offsetof(ngx_http_gzip_conf_t, enable), |
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94 NULL }, |
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95 |
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96 { ngx_string("gzip_buffers"), |
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97 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, |
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98 ngx_conf_set_bufs_slot, |
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99 NGX_HTTP_LOC_CONF_OFFSET, |
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100 offsetof(ngx_http_gzip_conf_t, bufs), |
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101 NULL }, |
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102 |
452 | 103 { ngx_string("gzip_types"), |
104 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
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105 ngx_http_types_slot, |
452 | 106 NGX_HTTP_LOC_CONF_OFFSET, |
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107 offsetof(ngx_http_gzip_conf_t, types_keys), |
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108 &ngx_http_html_default_types[0] }, |
452 | 109 |
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110 { ngx_string("gzip_comp_level"), |
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111 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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112 ngx_conf_set_num_slot, |
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113 NGX_HTTP_LOC_CONF_OFFSET, |
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114 offsetof(ngx_http_gzip_conf_t, level), |
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115 &ngx_http_gzip_comp_level_bounds }, |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
116 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
117 { ngx_string("gzip_window"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
118 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
119 ngx_conf_set_size_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
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|
120 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
121 offsetof(ngx_http_gzip_conf_t, wbits), |
527 | 122 &ngx_http_gzip_window_p }, |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
123 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
124 { ngx_string("gzip_hash"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
125 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
126 ngx_conf_set_size_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
127 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
128 offsetof(ngx_http_gzip_conf_t, memlevel), |
527 | 129 &ngx_http_gzip_hash_p }, |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
130 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
131 { ngx_string("gzip_no_buffer"), |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
132 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
133 ngx_conf_set_flag_slot, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
134 NGX_HTTP_LOC_CONF_OFFSET, |
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
135 offsetof(ngx_http_gzip_conf_t, no_buffer), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
136 NULL }, |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
137 |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
138 { ngx_string("gzip_min_length"), |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
139 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
140 ngx_conf_set_size_slot, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
141 NGX_HTTP_LOC_CONF_OFFSET, |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
142 offsetof(ngx_http_gzip_conf_t, min_length), |
412
199cd29f35a3
nginx-0.0.10-2004-08-31-19:32:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
370
diff
changeset
|
143 NULL }, |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
144 |
239
574bea0142be
nginx-0.0.1-2004-01-26-11:52:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
145 ngx_null_command |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
146 }; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
149 static ngx_http_module_t ngx_http_gzip_filter_module_ctx = { |
573 | 150 ngx_http_gzip_add_variables, /* preconfiguration */ |
681 | 151 ngx_http_gzip_filter_init, /* postconfiguration */ |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
152 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 NULL, /* create main configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 NULL, /* init main configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
155 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 NULL, /* create server configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
157 NULL, /* merge server configuration */ |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
158 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
159 ngx_http_gzip_create_conf, /* create location configuration */ |
489 | 160 ngx_http_gzip_merge_conf /* merge location configuration */ |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
161 }; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
162 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 ngx_module_t ngx_http_gzip_filter_module = { |
509 | 165 NGX_MODULE_V1, |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
166 &ngx_http_gzip_filter_module_ctx, /* module context */ |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
167 ngx_http_gzip_filter_commands, /* module directives */ |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 NGX_HTTP_MODULE, /* module type */ |
541 | 169 NULL, /* init master */ |
681 | 170 NULL, /* init module */ |
541 | 171 NULL, /* init process */ |
172 NULL, /* init thread */ | |
173 NULL, /* exit thread */ | |
174 NULL, /* exit process */ | |
175 NULL, /* exit master */ | |
176 NGX_MODULE_V1_PADDING | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
177 }; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
179 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
180 static u_char gzheader[10] = { 0x1f, 0x8b, Z_DEFLATED, 0, 0, 0, 0, 0, 0, 3 }; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
181 |
479 | 182 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED) |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
183 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
184 struct gztrailer { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
289
diff
changeset
|
185 uint32_t crc32; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
289
diff
changeset
|
186 uint32_t zlen; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
187 }; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
188 |
479 | 189 #else /* NGX_HAVE_BIG_ENDIAN || !NGX_HAVE_NONALIGNED */ |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
190 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
191 struct gztrailer { |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
289
diff
changeset
|
192 u_char crc32[4]; |
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
289
diff
changeset
|
193 u_char zlen[4]; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
194 }; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
195 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
196 #endif |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
197 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
198 |
573 | 199 static ngx_str_t ngx_http_gzip_ratio = ngx_string("gzip_ratio"); |
509 | 200 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
201 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
202 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 |
497 | 205 static ngx_int_t |
206 ngx_http_gzip_header_filter(ngx_http_request_t *r) | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
207 { |
2051
115e6f029fcc
"gzip_vary on" always sends "Vary: Accept-Encoding" header
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
208 ngx_table_elt_t *h; |
115e6f029fcc
"gzip_vary on" always sends "Vary: Accept-Encoding" header
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
209 ngx_http_gzip_ctx_t *ctx; |
115e6f029fcc
"gzip_vary on" always sends "Vary: Accept-Encoding" header
Igor Sysoev <igor@sysoev.ru>
parents:
2049
diff
changeset
|
210 ngx_http_gzip_conf_t *conf; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
211 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
212 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
213 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
214 if (!conf->enable |
452 | 215 || (r->headers_out.status != NGX_HTTP_OK |
216 && r->headers_out.status != NGX_HTTP_FORBIDDEN | |
217 && r->headers_out.status != NGX_HTTP_NOT_FOUND) | |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
218 || r->header_only |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
219 || (r->headers_out.content_encoding |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
220 && r->headers_out.content_encoding->value.len) |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
221 || (r->headers_out.content_length_n != -1 |
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
222 && r->headers_out.content_length_n < conf->min_length) |
2166
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
223 || ngx_http_test_content_type(r, &conf->types) == NULL |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
224 || ngx_http_gzip_ok(r) != NGX_OK) |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
225 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
226 return ngx_http_next_header_filter(r); |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
227 } |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
228 |
501 | 229 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_gzip_ctx_t)); |
230 if (ctx == NULL) { | |
231 return NGX_ERROR; | |
232 } | |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
233 |
501 | 234 ngx_http_set_ctx(r, ctx, ngx_http_gzip_filter_module); |
235 | |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
236 ctx->request = r; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
237 |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
238 h = ngx_list_push(&r->headers_out.headers); |
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
239 if (h == NULL) { |
164
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
240 return NGX_ERROR; |
84036764e215
nginx-0.0.1-2003-10-29-11:30:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
160
diff
changeset
|
241 } |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
242 |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
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parents:
1626
diff
changeset
|
243 h->hash = 1; |
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
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parents:
1626
diff
changeset
|
244 h->key.len = sizeof("Content-Encoding") - 1; |
775edc46ee66
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parents:
1626
diff
changeset
|
245 h->key.data = (u_char *) "Content-Encoding"; |
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
246 h->value.len = sizeof("gzip") - 1; |
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
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parents:
1626
diff
changeset
|
247 h->value.data = (u_char *) "gzip"; |
1583 | 248 |
1790
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
249 r->headers_out.content_encoding = h; |
775edc46ee66
ngx_http_gzip_static_module and gzip_disable
Igor Sysoev <igor@sysoev.ru>
parents:
1626
diff
changeset
|
250 |
153
c71aeb75c071
nginx-0.0.1-2003-10-21-20:49:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
144
diff
changeset
|
251 ctx->length = r->headers_out.content_length_n; |
509 | 252 |
513 | 253 r->main_filter_need_in_memory = 1; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
254 |
577 | 255 ngx_http_clear_content_length(r); |
256 ngx_http_clear_accept_ranges(r); | |
257 | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
258 return ngx_http_next_header_filter(r); |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
259 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
260 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
261 |
497 | 262 static ngx_int_t |
263 ngx_http_gzip_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
264 { |
469 | 265 int rc, wbits, memlevel; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
266 struct gztrailer *trailer; |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
267 ngx_buf_t *b; |
501 | 268 ngx_chain_t *cl, out; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
269 ngx_http_gzip_ctx_t *ctx; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
270 ngx_http_gzip_conf_t *conf; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
271 |
243
bf2faf694c19
nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
239
diff
changeset
|
272 ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module); |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
273 |
243
bf2faf694c19
nginx-0.0.1-2004-01-28-23:38:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
239
diff
changeset
|
274 if (ctx == NULL || ctx->done) { |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
275 return ngx_http_next_body_filter(r, in); |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
276 } |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
277 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
278 conf = ngx_http_get_module_loc_conf(r, ngx_http_gzip_filter_module); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
279 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
280 if (ctx->preallocated == NULL) { |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
281 wbits = conf->wbits; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
282 memlevel = conf->memlevel; |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
283 |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
284 if (ctx->length > 0) { |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
285 |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
286 /* the actual zlib window size is smaller by 262 bytes */ |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
287 |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
288 while (ctx->length < ((1 << (wbits - 1)) - 262)) { |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
289 wbits--; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
290 memlevel--; |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
291 } |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
292 } |
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
293 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
294 /* |
344
e366ba5db8f8
nginx-0.0.3-2004-06-01-10:04:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
343
diff
changeset
|
295 * We preallocate a memory for zlib in one buffer (200K-400K), this |
483 | 296 * decreases a number of malloc() and free() calls and also probably |
297 * decreases a number of syscalls (sbrk() and so on). | |
346
55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
298 * Besides we free this memory as soon as the gzipping will complete |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
299 * and do not wait while a whole response will be sent to a client. |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
300 * |
433
9a97dcdd2421
nginx-0.0.11-2004-09-21-19:47:05 import
Igor Sysoev <igor@sysoev.ru>
parents:
431
diff
changeset
|
301 * 8K is for zlib deflate_state, it takes |
509 | 302 * *) 5816 bytes on i386 and sparc64 (32-bit mode) |
303 * *) 5920 bytes on amd64 and sparc64 | |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
304 */ |
136
da00cde00e8a
nginx-0.0.1-2003-10-02-09:39:37 import
Igor Sysoev <igor@sysoev.ru>
parents:
135
diff
changeset
|
305 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
306 ctx->allocated = 8192 + (1 << (wbits + 2)) + (1 << (memlevel + 9)); |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
307 |
501 | 308 ctx->preallocated = ngx_palloc(r->pool, ctx->allocated); |
309 if (ctx->preallocated == NULL) { | |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
310 return NGX_ERROR; |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
311 } |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
312 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
313 ctx->free_mem = ctx->preallocated; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
314 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
315 ctx->zstream.zalloc = ngx_http_gzip_filter_alloc; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
316 ctx->zstream.zfree = ngx_http_gzip_filter_free; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
317 ctx->zstream.opaque = ctx; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
318 |
589 | 319 rc = deflateInit2(&ctx->zstream, (int) conf->level, Z_DEFLATED, |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
320 -wbits, memlevel, Z_DEFAULT_STRATEGY); |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
321 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
322 if (rc != Z_OK) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
323 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
324 "deflateInit2() failed: %d", rc); |
479 | 325 ngx_http_gzip_error(ctx); |
326 return NGX_ERROR; | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
327 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
328 |
501 | 329 b = ngx_pcalloc(r->pool, sizeof(ngx_buf_t)); |
330 if (b == NULL) { | |
479 | 331 ngx_http_gzip_error(ctx); |
332 return NGX_ERROR; | |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
333 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
334 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
335 b->memory = 1; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
336 b->pos = gzheader; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
337 b->last = b->pos + 10; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
338 |
501 | 339 out.buf = b; |
340 out.next = NULL; | |
469 | 341 |
342 /* | |
343 * We pass the gzheader to the next filter now to avoid its linking | |
344 * to the ctx->busy chain. zlib does not usually output the compressed | |
345 * data in the initial iterations, so the gzheader that was linked | |
346 * to the ctx->busy chain would be flushed by ngx_http_write_filter(). | |
347 */ | |
348 | |
501 | 349 if (ngx_http_next_body_filter(r, &out) == NGX_ERROR) { |
479 | 350 ngx_http_gzip_error(ctx); |
351 return NGX_ERROR; | |
469 | 352 } |
353 | |
597 | 354 r->connection->buffered |= NGX_HTTP_GZIP_BUFFERED; |
355 | |
469 | 356 ctx->last_out = &ctx->out; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
357 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
358 ctx->crc32 = crc32(0L, Z_NULL, 0); |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
359 ctx->flush = Z_NO_FLUSH; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
360 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
361 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
362 if (in) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
363 if (ngx_chain_add_copy(r->pool, &ctx->in, in) == NGX_ERROR) { |
479 | 364 ngx_http_gzip_error(ctx); |
365 return NGX_ERROR; | |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
366 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
367 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
368 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
369 if (ctx->nomem) { |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
370 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
371 "gzip nomem"); |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
372 |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
373 if (ngx_http_next_body_filter(r, NULL) == NGX_ERROR) { |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
374 ngx_http_gzip_error(ctx); |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
375 return NGX_ERROR; |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
376 } |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
377 |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
378 cl = NULL; |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
379 |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
380 ngx_chain_update_chains(&ctx->free, &ctx->busy, &cl, |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
381 (ngx_buf_tag_t) &ngx_http_gzip_filter_module); |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
382 ctx->nomem = 0; |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
383 } |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
384 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
385 for ( ;; ) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
386 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
387 for ( ;; ) { |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
388 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
389 /* does zlib need a new data ? */ |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
390 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
391 if (ctx->zstream.avail_in == 0 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
392 && ctx->flush == Z_NO_FLUSH |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
393 && !ctx->redo) |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
394 { |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
395 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
461 | 396 "gzip in: %p", ctx->in); |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
397 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
398 if (ctx->in == NULL) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
399 break; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
400 } |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
401 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
402 ctx->in_buf = ctx->in->buf; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
403 ctx->in = ctx->in->next; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
404 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
405 ctx->zstream.next_in = ctx->in_buf->pos; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
406 ctx->zstream.avail_in = ctx->in_buf->last - ctx->in_buf->pos; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
407 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
408 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
461 | 409 "gzip in_buf:%p ni:%p ai:%ud", |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
410 ctx->in_buf, |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
411 ctx->zstream.next_in, ctx->zstream.avail_in); |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
412 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
413 /* STUB */ |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
414 if (ctx->in_buf->last < ctx->in_buf->pos) { |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
415 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
416 "zstream.avail_in is huge"); |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
417 ctx->done = 1; |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
418 return NGX_ERROR; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
419 } |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
420 /**/ |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
421 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
422 if (ctx->in_buf->last_buf) { |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
423 ctx->flush = Z_FINISH; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
424 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
425 } else if (ctx->in_buf->flush) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
426 ctx->flush = Z_SYNC_FLUSH; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
427 } |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
428 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
429 if (ctx->zstream.avail_in == 0) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
430 if (ctx->flush == Z_NO_FLUSH) { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
431 continue; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
432 } |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
433 |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
434 } else { |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
435 ctx->crc32 = crc32(ctx->crc32, ctx->zstream.next_in, |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
436 ctx->zstream.avail_in); |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
437 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
438 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
439 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
440 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
441 /* is there a space for the gzipped data ? */ |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
442 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
443 if (ctx->zstream.avail_out == 0) { |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
444 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
445 if (ctx->free) { |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
446 ctx->out_buf = ctx->free->buf; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
447 ctx->free = ctx->free->next; |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
448 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
449 } else if (ctx->bufs < conf->bufs.num) { |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
450 ctx->out_buf = ngx_create_temp_buf(r->pool, |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
451 conf->bufs.size); |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
452 if (ctx->out_buf == NULL) { |
479 | 453 ngx_http_gzip_error(ctx); |
454 return NGX_ERROR; | |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
455 } |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
456 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
457 ctx->out_buf->tag = (ngx_buf_tag_t) |
154
eac26585476e
nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
458 &ngx_http_gzip_filter_module; |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
459 ctx->out_buf->recycled = 1; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
460 ctx->bufs++; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
461 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
462 } else { |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
463 ctx->nomem = 1; |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
464 break; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
465 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
466 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
467 ctx->zstream.next_out = ctx->out_buf->pos; |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
468 ctx->zstream.avail_out = conf->bufs.size; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
469 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
470 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
471 ngx_log_debug6(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
461 | 472 "deflate in: ni:%p no:%p ai:%ud ao:%ud fl:%d redo:%d", |
473 ctx->zstream.next_in, ctx->zstream.next_out, | |
474 ctx->zstream.avail_in, ctx->zstream.avail_out, | |
475 ctx->flush, ctx->redo); | |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
476 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
477 rc = deflate(&ctx->zstream, ctx->flush); |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
478 |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
479 if (rc != Z_OK && rc != Z_STREAM_END) { |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
480 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
481 "deflate() failed: %d, %d", ctx->flush, rc); |
479 | 482 ngx_http_gzip_error(ctx); |
483 return NGX_ERROR; | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
484 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
485 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
486 ngx_log_debug5(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
461 | 487 "deflate out: ni:%p no:%p ai:%ud ao:%ud rc:%d", |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
488 ctx->zstream.next_in, ctx->zstream.next_out, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
489 ctx->zstream.avail_in, ctx->zstream.avail_out, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
490 rc); |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
491 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
492 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
461 | 493 "gzip in_buf:%p pos:%p", |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
494 ctx->in_buf, ctx->in_buf->pos); |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
495 |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
496 |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
497 if (ctx->zstream.next_in) { |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
498 ctx->in_buf->pos = ctx->zstream.next_in; |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
499 |
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
500 if (ctx->zstream.avail_in == 0) { |
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
501 ctx->zstream.next_in = NULL; |
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
502 } |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
503 } |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
504 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
505 ctx->out_buf->last = ctx->zstream.next_out; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
506 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
507 if (ctx->zstream.avail_out == 0) { |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
508 |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
509 /* zlib wants to output some more gzipped data */ |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
510 |
501 | 511 cl = ngx_alloc_chain_link(r->pool); |
512 if (cl == NULL) { | |
479 | 513 ngx_http_gzip_error(ctx); |
514 return NGX_ERROR; | |
461 | 515 } |
501 | 516 |
461 | 517 cl->buf = ctx->out_buf; |
518 cl->next = NULL; | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
519 *ctx->last_out = cl; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
520 ctx->last_out = &cl->next; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
521 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
522 ctx->redo = 1; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
523 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
524 continue; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
525 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
526 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
527 ctx->redo = 0; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
528 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
529 if (ctx->flush == Z_SYNC_FLUSH) { |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
530 |
509 | 531 ctx->zstream.avail_out = 0; |
532 ctx->out_buf->flush = 1; | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
533 ctx->flush = Z_NO_FLUSH; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
534 |
501 | 535 cl = ngx_alloc_chain_link(r->pool); |
536 if (cl == NULL) { | |
479 | 537 ngx_http_gzip_error(ctx); |
538 return NGX_ERROR; | |
461 | 539 } |
501 | 540 |
461 | 541 cl->buf = ctx->out_buf; |
542 cl->next = NULL; | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
543 *ctx->last_out = cl; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
544 ctx->last_out = &cl->next; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
545 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
546 break; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
547 } |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
548 |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
549 if (rc == Z_STREAM_END) { |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
550 |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
551 ctx->zin = ctx->zstream.total_in; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
552 ctx->zout = 10 + ctx->zstream.total_out + 8; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
553 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
554 rc = deflateEnd(&ctx->zstream); |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
555 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
556 if (rc != Z_OK) { |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
557 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
558 "deflateEnd() failed: %d", rc); |
479 | 559 ngx_http_gzip_error(ctx); |
560 return NGX_ERROR; | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
561 } |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
562 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
563 ngx_pfree(r->pool, ctx->preallocated); |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
564 |
501 | 565 cl = ngx_alloc_chain_link(r->pool); |
566 if (cl == NULL) { | |
479 | 567 ngx_http_gzip_error(ctx); |
568 return NGX_ERROR; | |
461 | 569 } |
501 | 570 |
461 | 571 cl->buf = ctx->out_buf; |
572 cl->next = NULL; | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
573 *ctx->last_out = cl; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
574 ctx->last_out = &cl->next; |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
575 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
576 if (ctx->zstream.avail_out >= 8) { |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
577 trailer = (struct gztrailer *) ctx->out_buf->last; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
578 ctx->out_buf->last += 8; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
579 ctx->out_buf->last_buf = 1; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
580 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
581 } else { |
501 | 582 b = ngx_create_temp_buf(r->pool, 8); |
583 if (b == NULL) { | |
479 | 584 ngx_http_gzip_error(ctx); |
585 return NGX_ERROR; | |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
586 } |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
587 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
588 b->last_buf = 1; |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
589 |
501 | 590 cl = ngx_alloc_chain_link(r->pool); |
591 if (cl == NULL) { | |
479 | 592 ngx_http_gzip_error(ctx); |
593 return NGX_ERROR; | |
461 | 594 } |
501 | 595 |
461 | 596 cl->buf = b; |
597 cl->next = NULL; | |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
598 *ctx->last_out = cl; |
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
154
diff
changeset
|
599 ctx->last_out = &cl->next; |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
600 trailer = (struct gztrailer *) b->pos; |
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents:
335
diff
changeset
|
601 b->last += 8; |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
602 } |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
603 |
479 | 604 #if (NGX_HAVE_LITTLE_ENDIAN && NGX_HAVE_NONALIGNED) |
605 | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
606 trailer->crc32 = ctx->crc32; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
607 trailer->zlen = ctx->zin; |
479 | 608 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
609 #else |
479 | 610 trailer->crc32[0] = (u_char) (ctx->crc32 & 0xff); |
611 trailer->crc32[1] = (u_char) ((ctx->crc32 >> 8) & 0xff); | |
612 trailer->crc32[2] = (u_char) ((ctx->crc32 >> 16) & 0xff); | |
613 trailer->crc32[3] = (u_char) ((ctx->crc32 >> 24) & 0xff); | |
355
0fb6c53fb135
nginx-0.0.7-2004-06-15-21:47:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
346
diff
changeset
|
614 |
479 | 615 trailer->zlen[0] = (u_char) (ctx->zin & 0xff); |
616 trailer->zlen[1] = (u_char) ((ctx->zin >> 8) & 0xff); | |
617 trailer->zlen[2] = (u_char) ((ctx->zin >> 16) & 0xff); | |
618 trailer->zlen[3] = (u_char) ((ctx->zin >> 24) & 0xff); | |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
619 #endif |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
620 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
621 ctx->zstream.avail_in = 0; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
622 ctx->zstream.avail_out = 0; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
623 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
624 ctx->done = 1; |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
625 |
597 | 626 r->connection->buffered &= ~NGX_HTTP_GZIP_BUFFERED; |
627 | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
628 break; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
629 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
630 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
631 if (conf->no_buffer && ctx->in == NULL) { |
501 | 632 |
633 cl = ngx_alloc_chain_link(r->pool); | |
634 if (cl == NULL) { | |
479 | 635 ngx_http_gzip_error(ctx); |
636 return NGX_ERROR; | |
461 | 637 } |
501 | 638 |
461 | 639 cl->buf = ctx->out_buf; |
640 cl->next = NULL; | |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
641 *ctx->last_out = cl; |
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
642 ctx->last_out = &cl->next; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
643 |
323
ba876b26b76d
nginx-0.0.3-2004-04-21-22:54:33 import
Igor Sysoev <igor@sysoev.ru>
parents:
322
diff
changeset
|
644 break; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
645 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
646 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
647 |
1626 | 648 if (ctx->out == NULL) { |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
649 return NGX_AGAIN; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
650 } |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
651 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
652 rc = ngx_http_next_body_filter(r, ctx->out); |
141
656d468f4ead
nginx-0.0.1-2003-10-08-19:32:54 import
Igor Sysoev <igor@sysoev.ru>
parents:
136
diff
changeset
|
653 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
654 if (rc == NGX_ERROR) { |
479 | 655 ngx_http_gzip_error(ctx); |
656 return NGX_ERROR; | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
657 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
658 |
154
eac26585476e
nginx-0.0.1-2003-10-22-11:05:29 import
Igor Sysoev <igor@sysoev.ru>
parents:
153
diff
changeset
|
659 ngx_chain_update_chains(&ctx->free, &ctx->busy, &ctx->out, |
501 | 660 (ngx_buf_tag_t) &ngx_http_gzip_filter_module); |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
661 ctx->last_out = &ctx->out; |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
662 |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
663 ctx->nomem = 0; |
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
664 |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
665 if (ctx->done) { |
2287
baa61933d5ed
use nomem flag to flush busy bufs,
Igor Sysoev <igor@sysoev.ru>
parents:
2166
diff
changeset
|
666 return rc; |
327
e0f3f238db09
nginx-0.0.3-2004-04-26-17:40:01 import
Igor Sysoev <igor@sysoev.ru>
parents:
326
diff
changeset
|
667 } |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
668 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
669 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
670 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
671 |
497 | 672 static void * |
673 ngx_http_gzip_filter_alloc(void *opaque, u_int items, u_int size) | |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
674 { |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
675 ngx_http_gzip_ctx_t *ctx = opaque; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
676 |
294
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
677 void *p; |
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
292
diff
changeset
|
678 ngx_uint_t alloc; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
679 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
680 alloc = items * size; |
461 | 681 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
682 if (alloc % 512 != 0) { |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
683 |
346
55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
684 /* |
461 | 685 * The zlib deflate_state allocation, it takes about 6K, |
686 * we allocate 8K. Other allocations are divisible by 512. | |
346
55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
687 */ |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
688 |
346
55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
689 alloc = (alloc + ngx_pagesize - 1) & ~(ngx_pagesize - 1); |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
690 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
691 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
692 if (alloc <= ctx->allocated) { |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
693 p = ctx->free_mem; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
694 ctx->free_mem += alloc; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
695 ctx->allocated -= alloc; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
696 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
697 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, |
461 | 698 "gzip alloc: n:%ud s:%ud a:%ud p:%p", |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
699 items, size, alloc, p); |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
700 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
701 return p; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
702 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
703 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
704 ngx_log_error(NGX_LOG_ALERT, ctx->request->connection->log, 0, |
461 | 705 "gzip filter failed to use preallocated memory: %ud of %ud", |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
706 items * size, ctx->allocated); |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
707 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
708 p = ngx_palloc(ctx->request->pool, items * size); |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
709 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
710 return p; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
711 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
712 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
713 |
497 | 714 static void |
715 ngx_http_gzip_filter_free(void *opaque, void *address) | |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
716 { |
282
30310107dbc9
nginx-0.0.2-2004-03-09-22:47:07 import
Igor Sysoev <igor@sysoev.ru>
parents:
265
diff
changeset
|
717 #if 0 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
718 ngx_http_gzip_ctx_t *ctx = opaque; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
719 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
243
diff
changeset
|
720 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ctx->request->connection->log, 0, |
461 | 721 "gzip free: %p", address); |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
722 #endif |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
723 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
724 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
725 |
497 | 726 static void |
727 ngx_http_gzip_error(ngx_http_gzip_ctx_t *ctx) | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
728 { |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
729 deflateEnd(&ctx->zstream); |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
730 |
469 | 731 if (ctx->preallocated) { |
732 ngx_pfree(ctx->request->pool, ctx->preallocated); | |
733 } | |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
734 |
135
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
735 ctx->zstream.avail_in = 0; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
736 ctx->zstream.avail_out = 0; |
e29909bd9b8a
nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents:
134
diff
changeset
|
737 |
326
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
738 ctx->done = 1; |
8733703a37f3
nginx-0.0.3-2004-04-26-00:13:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
325
diff
changeset
|
739 |
479 | 740 return; |
133
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
741 } |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
742 |
b27548f540ad
nginx-0.0.1-2003-09-24-23:51:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
743 |
497 | 744 static ngx_int_t |
573 | 745 ngx_http_gzip_add_variables(ngx_conf_t *cf) |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
746 { |
880 | 747 ngx_http_variable_t *var; |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
748 |
583 | 749 var = ngx_http_add_variable(cf, &ngx_http_gzip_ratio, NGX_HTTP_VAR_NOHASH); |
573 | 750 if (var == NULL) { |
751 return NGX_ERROR; | |
752 } | |
753 | |
637 | 754 var->get_handler = ngx_http_gzip_ratio_variable; |
573 | 755 |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
756 return NGX_OK; |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
757 } |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
758 |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
166
diff
changeset
|
759 |
497 | 760 static ngx_int_t |
573 | 761 ngx_http_gzip_ratio_variable(ngx_http_request_t *r, |
762 ngx_http_variable_value_t *v, uintptr_t data) | |
763 { | |
764 ngx_uint_t zint, zfrac; | |
765 ngx_http_gzip_ctx_t *ctx; | |
766 | |
577 | 767 v->valid = 1; |
1565 | 768 v->no_cacheable = 0; |
573 | 769 v->not_found = 0; |
770 | |
771 ctx = ngx_http_get_module_ctx(r, ngx_http_gzip_filter_module); | |
772 | |
773 if (ctx == NULL || ctx->zout == 0) { | |
774 v->not_found = 1; | |
775 return NGX_OK; | |
776 } | |
777 | |
2049 | 778 v->data = ngx_pnalloc(r->pool, NGX_INT32_LEN + 3); |
573 | 779 if (v->data == NULL) { |
780 return NGX_ERROR; | |
781 } | |
782 | |
783 zint = (ngx_uint_t) (ctx->zin / ctx->zout); | |
784 zfrac = (ngx_uint_t) ((ctx->zin * 100 / ctx->zout) % 100); | |
785 | |
786 if ((ctx->zin * 1000 / ctx->zout) % 10 > 4) { | |
787 | |
788 /* the rounding, e.g., 2.125 to 2.13 */ | |
789 | |
790 zfrac++; | |
791 | |
792 if (zfrac > 99) { | |
793 zint++; | |
794 zfrac = 0; | |
795 } | |
796 } | |
797 | |
798 v->len = ngx_sprintf(v->data, "%ui.%02ui", zint, zfrac) - v->data; | |
799 | |
800 return NGX_OK; | |
801 } | |
802 | |
803 | |
497 | 804 static void * |
805 ngx_http_gzip_create_conf(ngx_conf_t *cf) | |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
806 { |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
807 ngx_http_gzip_conf_t *conf; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
808 |
501 | 809 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_gzip_conf_t)); |
810 if (conf == NULL) { | |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
811 return NGX_CONF_ERROR; |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
812 } |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
813 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
814 /* |
479 | 815 * set by ngx_pcalloc(): |
816 * | |
817 * conf->bufs.num = 0; | |
2166
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
818 * conf->types = { NULL }; |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
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parents:
2051
diff
changeset
|
819 * conf->types_keys = NULL; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
820 */ |
320
d621239c30f7
nginx-0.0.3-2004-04-18-23:06:02 import
Igor Sysoev <igor@sysoev.ru>
parents:
319
diff
changeset
|
821 |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
822 conf->enable = NGX_CONF_UNSET; |
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
289
diff
changeset
|
823 conf->no_buffer = NGX_CONF_UNSET; |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
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parents:
294
diff
changeset
|
824 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
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parents:
155
diff
changeset
|
825 conf->level = NGX_CONF_UNSET; |
356
2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
355
diff
changeset
|
826 conf->wbits = (size_t) NGX_CONF_UNSET; |
2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
Igor Sysoev <igor@sysoev.ru>
parents:
355
diff
changeset
|
827 conf->memlevel = (size_t) NGX_CONF_UNSET; |
2e3cbc1bbe3c
nginx-0.0.7-2004-06-16-19:32:11 import
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parents:
355
diff
changeset
|
828 conf->min_length = NGX_CONF_UNSET; |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
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|
829 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
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|
830 return conf; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
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|
831 } |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
832 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
833 |
497 | 834 static char * |
835 ngx_http_gzip_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
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|
836 { |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
837 ngx_http_gzip_conf_t *prev = parent; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
838 ngx_http_gzip_conf_t *conf = child; |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
839 |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
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parents:
133
diff
changeset
|
840 ngx_conf_merge_value(conf->enable, prev->enable, 0); |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
841 |
346
55e496a8ece3
nginx-0.0.3-2004-06-06-23:49:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
344
diff
changeset
|
842 ngx_conf_merge_bufs_value(conf->bufs, prev->bufs, 4, ngx_pagesize); |
314
d71c87d11b16
nginx-0.0.3-2004-04-14-09:57:36 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
843 |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
844 ngx_conf_merge_value(conf->level, prev->level, 1); |
319
7a8ebba985a9
nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
845 ngx_conf_merge_size_value(conf->wbits, prev->wbits, MAX_WBITS); |
7a8ebba985a9
nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
846 ngx_conf_merge_size_value(conf->memlevel, prev->memlevel, |
7a8ebba985a9
nginx-0.0.3-2004-04-16-19:27:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
315
diff
changeset
|
847 MAX_MEM_LEVEL - 1); |
577 | 848 ngx_conf_merge_value(conf->min_length, prev->min_length, 20); |
134
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
849 ngx_conf_merge_value(conf->no_buffer, prev->no_buffer, 0); |
d57c6835225c
nginx-0.0.1-2003-09-26-09:45:21 import
Igor Sysoev <igor@sysoev.ru>
parents:
133
diff
changeset
|
850 |
2166
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
851 if (ngx_http_merge_types(cf, conf->types_keys, &conf->types, |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
852 prev->types_keys, &prev->types, |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
853 ngx_http_html_default_types) |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
854 != NGX_OK) |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
855 { |
723df5089c05
use hash in gzip_types, ssi_types, and sub_filter_types
Igor Sysoev <igor@sysoev.ru>
parents:
2051
diff
changeset
|
856 return NGX_CONF_ERROR; |
452 | 857 } |
858 | |
859 return NGX_CONF_OK; | |
860 } | |
861 | |
862 | |
681 | 863 static ngx_int_t |
864 ngx_http_gzip_filter_init(ngx_conf_t *cf) | |
865 { | |
866 ngx_http_next_header_filter = ngx_http_top_header_filter; | |
867 ngx_http_top_header_filter = ngx_http_gzip_header_filter; | |
868 | |
869 ngx_http_next_body_filter = ngx_http_top_body_filter; | |
870 ngx_http_top_body_filter = ngx_http_gzip_body_filter; | |
871 | |
872 return NGX_OK; | |
873 } | |
874 | |
875 | |
497 | 876 static char * |
527 | 877 ngx_http_gzip_window(ngx_conf_t *cf, void *post, void *data) |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
878 { |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
879 int *np = data; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
880 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
881 int wbits, wsize; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
882 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
883 wbits = 15; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
884 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
885 for (wsize = 32 * 1024; wsize > 256; wsize >>= 1) { |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
886 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
887 if (wsize == *np) { |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
888 *np = wbits; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
889 |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
890 return NGX_CONF_OK; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
891 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
892 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
893 wbits--; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
894 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
895 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
896 return "must be 512, 1k, 2k, 4k, 8k, 16k, or 32k"; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
897 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
898 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
899 |
497 | 900 static char * |
527 | 901 ngx_http_gzip_hash(ngx_conf_t *cf, void *post, void *data) |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
902 { |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
903 int *np = data; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
904 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
905 int memlevel, hsize; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
906 |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
907 memlevel = 9; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
908 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
909 for (hsize = 128 * 1024; hsize > 256; hsize >>= 1) { |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
910 |
158
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
911 if (hsize == *np) { |
d377ee423603
nginx-0.0.1-2003-10-24-10:53:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
157
diff
changeset
|
912 *np = memlevel; |
430
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
913 |
1fa5daf7558e
nginx-0.0.11-2004-09-19-22:27:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
416
diff
changeset
|
914 return NGX_CONF_OK; |
156
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
915 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
916 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
917 memlevel--; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
918 } |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
919 |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
920 return "must be 512, 1k, 2k, 4k, 8k, 16k, 32k, 64k, or 128k"; |
afc333135a6b
nginx-0.0.1-2003-10-23-10:13:16 import
Igor Sysoev <igor@sysoev.ru>
parents:
155
diff
changeset
|
921 } |